JPS6135438B2 - - Google Patents
Info
- Publication number
- JPS6135438B2 JPS6135438B2 JP52130611A JP13061177A JPS6135438B2 JP S6135438 B2 JPS6135438 B2 JP S6135438B2 JP 52130611 A JP52130611 A JP 52130611A JP 13061177 A JP13061177 A JP 13061177A JP S6135438 B2 JPS6135438 B2 JP S6135438B2
- Authority
- JP
- Japan
- Prior art keywords
- inner tube
- plate
- fixed
- side plates
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Landscapes
- Thermal Insulation (AREA)
Description
【発明の詳細な説明】 本発明は高温配管に関するものである。[Detailed description of the invention] The present invention relates to high temperature piping.
一般に水素ガス、ヘリウムガス等の原子力発電
に用いられる高温ガス媒体は1000℃前後の高温状
態で循環する。このような高温ガスが流通する配
管は、高温にさらされるため熱膨脹が激しくその
温度変化にも充分に耐えられるだけの材質および
構造を備えていなければならない。 Generally, high-temperature gas media such as hydrogen gas and helium gas used in nuclear power generation circulate at a high temperature of around 1000°C. The piping through which such high-temperature gas flows is exposed to high temperatures and undergoes rapid thermal expansion, so it must have a material and structure that can sufficiently withstand such temperature changes.
従来、この種の高温配管としては多重配管が採
用され、その内管にスライドジヨイントが採用さ
れていた。しかし、このようなスライドジヨイン
ト構造をもつ高温配管においては、熱膨脹に対し
ては極めて効果的に機能するが、ガスの漏洩、い
わゆるシヨートパスが生じ、そのままでは充分な
密封構造が得られないので、シール板の挿入など
でその密封性を保つていた。 Conventionally, this type of high-temperature piping has employed multiple piping, and a slide joint has been employed for the inner tube. However, although high-temperature piping with such a slide joint structure functions extremely effectively against thermal expansion, gas leakage, a so-called short pass, occurs, and a sufficiently sealed structure cannot be obtained as it is. The sealing performance was maintained by inserting a seal plate.
本発明の目的はシール板の挿入などを行わずに
高温ガスのシヨートパスが生じないように構成し
た高温配管を得るにある。 SUMMARY OF THE INVENTION An object of the present invention is to obtain a high-temperature piping structure that is configured to prevent short passes of high-temperature gas from occurring without inserting a seal plate or the like.
以下、図面に示す実施例と共に本発明の詳細を
説明する。 Hereinafter, details of the present invention will be explained in conjunction with embodiments shown in the drawings.
第１図以下は本発明の一実施例を説明するもの
で、図において符号１は外管で、その内周面には
一定長さの内管２が嵌合されている。この内管２
と外管１とは２′の部分のみ溶接によつて固定さ
れ他端はフリーとされている。内管２の内側には
内管ユニツト３が多数個連続して挿入されてい
る。内管ユニツト３は第２図、第３図からも明ら
かなように全体としてほぼ漏斗状に形成されてい
る、即ち、内管ユニツト３は一定角度同一方向に
傾斜した側板４，５を有し、その外側縁には環状
の外側板６が固定され、その内側縁には筒状の内
側板７が固定されている。そして、これら側板
４，５および内外の側板６，７によつて画成され
た環状の空間内には断熱材８が充填されている。
外側板６の一方の端縁は側板５から一定長さ突出
した突出部９となつており、他端には段部１０が
形成されている。 FIG. 1 and subsequent figures illustrate one embodiment of the present invention. In the figures, reference numeral 1 denotes an outer tube, and an inner tube 2 of a certain length is fitted onto the inner circumferential surface of the outer tube. This inner tube 2
The outer tube 1 is fixed by welding only at a portion 2', and the other end is left free. A large number of inner tube units 3 are successively inserted inside the inner tube 2. As is clear from FIGS. 2 and 3, the inner tube unit 3 is generally shaped like a funnel as a whole. That is, the inner tube unit 3 has side plates 4 and 5 that are inclined at a constant angle in the same direction. , an annular outer plate 6 is fixed to its outer edge, and a cylindrical inner plate 7 is fixed to its inner edge. A heat insulating material 8 is filled in an annular space defined by these side plates 4 and 5 and inner and outer side plates 6 and 7.
One end edge of the outer plate 6 is a protruding part 9 projecting a certain length from the side plate 5, and a step part 10 is formed at the other end.
また、内側板７は前記外側板６の突出部９と反
対側において側板４から一定距離突出した接続部
１１が形成されている。そして、この円筒状に形
成された内側板７の接続部１１側の半径をr1、反
〓〓〓〓〓
対側の半径をr2とすると、r1＜r2となるように形
成されている。 Further, the inner plate 7 is formed with a connecting portion 11 that protrudes a certain distance from the side plate 4 on the side opposite to the protruding portion 9 of the outer plate 6. Then, the radius of this cylindrical inner plate 7 on the connection part 11 side is r 1 ,
If the radius of the contralateral side is r 2 , it is formed so that r 1 < r 2 .
以上のような構造を有する内管ユニツト３は第
１図に明らかなようにその突出部９と内管２との
間を溶接１２によつて固定し、また、接続部１１
は隣接する内管ユニツト３の内側板７中に嵌合さ
せここで内管ユニツト３の熱膨脹を吸収してい
る。隣接する内管ユニツト３の突出部９は他方の
内管ユニツト３の段部１０上にある。 As shown in FIG. 1, the inner tube unit 3 having the above structure is fixed by welding 12 between the protruding portion 9 and the inner tube 2, and also has a connecting portion 11.
is fitted into the inner plate 7 of the adjacent inner tube unit 3 to absorb thermal expansion of the inner tube unit 3. The protrusion 9 of the adjacent inner tube unit 3 is on the step 10 of the other inner tube unit 3.
このようにして内管ユニツト３は突出部９を内
管２に溶接固定し、接続部１１を隣接する内管ユ
ニツトの内側板７に嵌合させ、熱膨脹を吸収する
構造が採用されているため、内管ユニツト３は多
数個で一本の長い内管を形成することになり、高
温ガスは溶接部１２の存在により他の部分へ漏洩
することなくシヨートパス現象は生じない。 In this way, the inner tube unit 3 has a structure in which the protruding portion 9 is welded and fixed to the inner tube 2, and the connecting portion 11 is fitted into the inner plate 7 of the adjacent inner tube unit to absorb thermal expansion. A large number of inner tube units 3 form one long inner tube, and the presence of the welded portion 12 prevents high-temperature gas from leaking to other parts, thereby preventing the short pass phenomenon.
尚、側板４，５はステンレス等の材質からな
り、その厚みは0.17mm程度が適当であり、内外の
側板６，７は同じくステンレス等からなり、その
厚みは0.8mm〜１mm程度が適当である。また、断
熱材８は繊維性の断熱材が望ましい。 The side plates 4 and 5 are made of a material such as stainless steel, and the appropriate thickness is about 0.17 mm, and the inner and outer side plates 6 and 7 are also made of stainless steel, and the appropriate thickness is about 0.8 mm to 1 mm. . Further, the heat insulating material 8 is preferably a fibrous heat insulating material.
以上の説明から明らかなように本発明の高温配
管によれば、全体としてほぼ漏斗状に形成され、
内部に断熱材を収容された内管ユニツトを順次接
続して内管を形成しているため、高温ガスは溶接
部の存在により漏洩することがなく高温ガスのシ
ヨートパス現象を防止することができる等の優れ
た効果を有する。 As is clear from the above description, according to the high temperature piping of the present invention, the whole is formed almost funnel-shaped,
Since the inner tube is formed by sequentially connecting inner tube units each containing a heat insulating material, high-temperature gas will not leak due to the presence of welded parts, and the short pass phenomenon of high-temperature gas can be prevented. It has excellent effects.
図は本発明の一実施例を説明するもので、第１
図は縦断側面図、第２図は内管ユニツトの斜視
図、第３図は内管ユニツトの拡大縦断側面図であ
る。
１……外管、２内管、３……内管ユニツト、
４，５……側板、６……外側板、７……内側板、
８……断熱材、９……突出部、１０……段部、１
１……接続部、１２……溶接部。
〓〓〓〓〓
The figure explains one embodiment of the present invention.
The figure is a longitudinal side view, FIG. 2 is a perspective view of the inner tube unit, and FIG. 3 is an enlarged longitudinal side view of the inner tube unit. 1...Outer pipe, 2...Inner pipe, 3...Inner pipe unit,
4, 5... Side plate, 6... Outer plate, 7... Inner plate,
8...Insulating material, 9...Protrusion, 10...Step, 1
1... Connection part, 12... Welding part. 〓〓〓〓〓
Claims (1)
て固定される一定長さの内管と、この内管の内側
に固定される内管ユニツトからなり、内管ユニツ
トは全体としてほぼ漏斗状に形成され、一定角度
傾斜して配置された環状の一対の側板と、これら
一対の側板の外周縁に固定された環状の外側板
と、前記一対の側板の内周縁に固定された筒状の
内側板とを有し、前記外側板の一端に突出した突
出部を前記内管に溶接固定し、前記各側板によつ
て形成された空間内には断熱材を充填したことを
特徴とする高温配管。1 Consists of an outer tube, an inner tube of a certain length whose one end is welded and fixed to the inner peripheral surface of the outer tube, and an inner tube unit fixed inside this inner tube, and the inner tube unit as a whole A pair of annular side plates formed approximately in a funnel shape and arranged at a certain angle, an annular outer plate fixed to the outer periphery of the pair of side plates, and an annular outer plate fixed to the inner periphery of the pair of side plates. and a cylindrical inner plate, a protrusion protruding from one end of the outer plate is welded and fixed to the inner tube, and a space formed by each side plate is filled with a heat insulating material. High temperature piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13061177A JPS5464756A (en) | 1977-10-31 | 1977-10-31 | Hot gas piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13061177A JPS5464756A (en) | 1977-10-31 | 1977-10-31 | Hot gas piping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5464756A JPS5464756A (en) | 1979-05-24 |
| JPS6135438B2 true JPS6135438B2 (en) | 1986-08-13 |
Family
ID=15038348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13061177A Granted JPS5464756A (en) | 1977-10-31 | 1977-10-31 | Hot gas piping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5464756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63107313A (en) * | 1986-10-24 | 1988-05-12 | Kayaba Ind Co Ltd | Pulse width modulation circuit |
-
1977
- 1977-10-31 JP JP13061177A patent/JPS5464756A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63107313A (en) * | 1986-10-24 | 1988-05-12 | Kayaba Ind Co Ltd | Pulse width modulation circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5464756A (en) | 1979-05-24 |
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